948894397 has 4 divisors (see below), whose sum is σ = 1035157536. Its totient is φ = 862631260.

The previous prime is 948894383. The next prime is 948894437. The reversal of 948894397 is 793498849.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948894397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948894307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43131553 + ... + 43131574.

It is an arithmetic number, because the mean of its divisors is an integer number (258789384).

Almost surely, 2^948894397 is an apocalyptic number.

It is an amenable number.

948894397 is a deficient number, since it is larger than the sum of its proper divisors (86263139).

948894397 is a wasteful number, since it uses less digits than its factorization.

948894397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86263138.

The product of its digits is 15676416, while the sum is 61.

The square root of 948894397 is about 30804.1295445919. The cubic root of 948894397 is about 982.6660699495. Note that the first 3 decimals are identical.

The spelling of 948894397 in words is "nine hundred forty-eight million, eight hundred ninety-four thousand, three hundred ninety-seven".